TEA1114AT/C1 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TEA1114AT/C1

Low voltage telephone transmission circuit with dialler interface and regulated strong supply

Philips Electronics 

Philips Semiconductors

Low voltage telephone transmission circuit with

dialler interface and regulated strong supply

Product specification

TEA1114A

QUICK REFERENCE DATA

Iline = 15 mA; VEE = 0 V; RSLPE = 20 Ω; AGC pin connected to VEE; Zline = 600 Ω; f = 1 kHz; measured according to test

circuits given in Figs 15, 16 and 17; Tamb = 25 °C for TEA1114A(T); Tj = 25 °C for TEA1114AUH; unless otherwise

specified.

SYMBOL

Iline

VLN

ICC

VCC

VDD

IDD

Gv(TX)

Gv(RX)

∆Gv(QR)

∆Gv(trx)

∆Gv(trx)(m)

PARAMETER

CONDITIONS

line current operating range

normal operation

with reduced performance

DC line voltage

internal current consumption

supply voltage for internal circuitry

(unregulated)

VCC = 3.6 V

IP = 0 mA

regulated supply voltage for peripherals

speech mode

ringer mode

available supply current for peripherals

IDD = −3 mA

IDD = 75 mA

typical voltage gain for microphone

amplifier

VMIC = 4 mV (RMS)

typical voltage gain for receiving amplifier

gain setting range for earpiece amplifier

gain control range for microphone and

receive amplifiers with respect to

Iline = 15 mA

gain reduction for microphone and receive

amplifiers

VIR = 4 mV (RMS)

RE1 = 100 kΩ

Iline = 85 mA

MUTE = LOW

MIN.

11

1

4.05

−

−

3.0

3.0

−

43.2

32.4

−14

−

−

TYP.

−

−

4.35

1.25

3.6

3.3

3.3

−

44.2

33.4

−

6.0

80

MAX. UNIT

140 mA

11 mA

4.65 V

1.5 mA

−

V

3.6 V

3.6 V

−3 mA

45.2 dB

34.4 dB

+12 dB

−

dB

−

dB

2000 Mar 21

3

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